Which best describes the nucleus of an atom? a. it is where the electrons and protons are located. b. it is the negatively charged part of the atomc. it is the part f the atom with the greatest massd. it is where all of the particles of the atom are located

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Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: